/* ZynAddSubFX - a software synthesizer FFTwrapper.h - A wrapper for Fast Fourier Transforms Copyright (C) 2002-2005 Nasca Octavian Paul Author: Nasca Octavian Paul This program is free software; you can redistribute it and/or modify it under the terms of version 2 of the GNU General Public License as published by the Free Software Foundation. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License (version 2) for more details. You should have received a copy of the GNU General Public License (version 2) along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef FFT_WRAPPER_H #define FFT_WRAPPER_H #include "../globals.h" #ifdef FFTW_VERSION_2 #include <fftw.h> /* If you got error messages about rfftw.h, replace the next include line with "#include <srfftw.h>" or with "#include <drfftw.h> (if one doesn't work try the other). It may be necessary to replace the <fftw.h> with <dfftw.h> or <sfftw.h>. If the neither one doesn't work, please install latest version of fftw(recomanded from the sources) from www.fftw.org. If you'll install fftw3 you need to change the Makefile.inc Hope all goes right." */ #include <rfftw.h> #else #include <fftw3.h> #define fftw_real double #define rfftw_plan fftw_plan #endif class FFTwrapper{ public: FFTwrapper(int fftsize_); ~FFTwrapper(); void smps2freqs(REALTYPE *smps,FFTFREQS freqs); void freqs2smps(FFTFREQS freqs,REALTYPE *smps); private: int fftsize; fftw_real *tmpfftdata1,*tmpfftdata2; rfftw_plan planfftw,planfftw_inv; }; #endif